Monday 17 October 2016

CHAPTER 8

TYPES of  STORAGE

Alternatively referred to as digital storage, storage, storage media, or storage medium, a storage device is any hardware capable of holding information either temporarily or permanently. 

There are two types of storage devices used with computers: a primary storage device, such as RAM, and a secondary storage device, like a hard drive. Secondary storage can be removable, internal, or external storage.

Examples of computer storage

Magnetic storage devices
Today, magnetic storage is one of the most common types of storage used with computers and is the technology that many computer hard drives use.
  • Floppy diskette
  • Hard drive
  • Magnetic strip
  • SuperDisk
  • Tape cassette
  • Zip diskette


Optical storage devices
Another common storage is optical storage, which uses lasers and lights as its method of reading and writing data.
  • Blu-ray disc
  • CD-ROM disc
  • CD-R and CD-RW disc
  • DVD-R, DVD+R, DVD-RW, and DVD+RW disc


Flash memory devices
Flash memory has started to replace magnetic media as it becomes cheaper as it is the more efficient and reliable solution.
  • Jump drive or flash drive
  • Memory card
  • Memory stick
  • SSD


Online and cloud
Storing data online and in cloud storage is becoming popular as people need to access their data from more than one device.
  • Cloud storage
  • Network media

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